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<!--Weave of 'Dialogue Relations' generated by Inweb-->
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../inform7n.html">Inform7</a></li><li><a href="index.html">if</a></li><li><a href="index.html#6">Chapter 6: Dialogue</a></li><li><b>Dialogue Relations</b></li></ul></div>
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<p class="purpose">Binary predicates for spatial relationships.</p>
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<ul class="toc"><li><a href="6-dr.html#SP5">§5. Cursory description</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>So this section of code is all about the following:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">binary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">R_dialogue_containment</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>These relations are all hard-wired in:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">DialogueRelations::start</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">DialogueRelations::start</span></span>:<br/>IF Module - <a href="1-im.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">dialogue_bp_family</span><span class="plain-syntax">, </span><span class="identifier-syntax">STOCK_BPF_MTID</span><span class="plain-syntax">, </span><a href="6-dr.html#SP2" class="function-link"><span class="function-syntax">DialogueRelations::stock</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">dialogue_bp_family</span><span class="plain-syntax">, </span><span class="identifier-syntax">TYPECHECK_BPF_MTID</span><span class="plain-syntax">, </span><a href="6-dr.html#SP3" class="function-link"><span class="function-syntax">DialogueRelations::typecheck</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">dialogue_bp_family</span><span class="plain-syntax">, </span><span class="identifier-syntax">ASSERT_BPF_MTID</span><span class="plain-syntax">, </span><a href="6-dr.html#SP4" class="function-link"><span class="function-syntax">DialogueRelations::assert</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">dialogue_bp_family</span><span class="plain-syntax">, </span><span class="identifier-syntax">DESCRIBE_FOR_INDEX_BPF_MTID</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><a href="6-dr.html#SP5" class="function-link"><span class="function-syntax">DialogueRelations::describe_for_index</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">DialogueRelations::stock</span><span class="plain-syntax">(</span><span class="identifier-syntax">bp_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">n</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">R_dialogue_containment</span><span class="plain-syntax"> =</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">BinaryPredicates::make_pair</span><span class="plain-syntax">(</span><span class="identifier-syntax">spatial_bp_family</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">BPTerms::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">KindSubjects::from_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">K_dialogue_beat</span><span class="plain-syntax">)),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">BPTerms::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">KindSubjects::from_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">)),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="string-syntax">"dialogue-contains"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"in-dialogue"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">Calculus::Schemas::new</span><span class="plain-syntax">(</span><span class="string-syntax">"DirectorTestContainment(*2,*1,*#2,*#1)"</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PreformUtilities::wording</span><span class="plain-syntax">(</span><span class="function-syntax"><relation-names></span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">DIALOGUE_CONTAINMENT_RELATION_NAME</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">BinaryPredicates::set_index_details</span><span class="plain-syntax">(</span><span class="identifier-syntax">R_dialogue_containment</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="string-syntax">"dialogue line"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>No special rules apply to typechecking:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">DialogueRelations::typecheck</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">DialogueRelations::typecheck</span></span>:<br/><a href="6-dr.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">bp_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="identifier-syntax">binary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">bp</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> **</span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> **</span><span class="identifier-syntax">kinds_required</span><span class="plain-syntax">, </span><span class="identifier-syntax">tc_problem_kit</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tck</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K_dialogue_beat</span><span class="plain-syntax">) &&</span>
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<span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::compatible</span><span class="plain-syntax">(</span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">K_dialogue_beat</span><span class="plain-syntax">) == </span><span class="identifier-syntax">NEVER_MATCH</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"Term 0 is %u not %u\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">K_dialogue_beat</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">TypecheckPropositions::issue_bp_typecheck_error</span><span class="plain-syntax">(</span><span class="identifier-syntax">bp</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">tck</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NEVER_MATCH</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (((</span><span class="identifier-syntax">K_dialogue_line</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">K_dialogue_choice</span><span class="plain-syntax">)) &&</span>
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<span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::compatible</span><span class="plain-syntax">(</span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">K_dialogue_line</span><span class="plain-syntax">) == </span><span class="identifier-syntax">NEVER_MATCH</span><span class="plain-syntax">) &&</span>
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<span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::compatible</span><span class="plain-syntax">(</span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">K_dialogue_choice</span><span class="plain-syntax">) == </span><span class="identifier-syntax">NEVER_MATCH</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"Term 0 is %u not %u\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">kinds_required</span><span class="plain-syntax">[0]);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">TypecheckPropositions::issue_bp_typecheck_error</span><span class="plain-syntax">(</span><span class="identifier-syntax">bp</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">kinds_of_terms</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">tck</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NEVER_MATCH</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ALWAYS_MATCH</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>"In" requires delicate handling, because of the way that English uses it
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sometimes transitively and sometimes not. "The passport is in the desk", "The
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passport is in the Dining Room" and "The passport is in Venezuela" place the
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same object in a container, a room or a region respectively.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">DialogueRelations::assert</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">DialogueRelations::assert</span></span>:<br/><a href="6-dr.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">bp_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="identifier-syntax">binary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">bp</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">infs0</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec0</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">infs1</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec1</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_AssertedDialogueContainment</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"this asks to specify how dialogue is structured"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"but that has to be done by writing a script in which the structure "</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"is implicit."</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. Cursory description. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">DialogueRelations::describe_for_index</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">DialogueRelations::describe_for_index</span></span>:<br/><a href="6-dr.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">bp_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">binary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">bp</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"dialogue"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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